platform/upstream/gcc.git
23 years agolang-options.h: Bring comment in line with reality.
Phil Edwards [Fri, 5 Jan 2001 19:12:21 +0000 (19:12 +0000)]
lang-options.h: Bring comment in line with reality.

2001-01-05  Phil Edwards  <pme@sources.redhat.com>

* cp/lang-options.h:  Bring comment in line with reality.
* f/lang-options.h:  Likewise.
* java/lang-options.h:  Likewise.
* objc/lang-options.h:  Likewise.
* ch/lang-options.h:  Likewise.
* f/g77.texi:  And update the manual.

From-SVN: r38719

23 years agoavr-protos.h (avr_peep2_scratch_safe): Prototype.
Marek Michalkiewicz [Fri, 5 Jan 2001 19:08:46 +0000 (20:08 +0100)]
avr-protos.h (avr_peep2_scratch_safe): Prototype.

* config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
* config/avr/avr.c (avr_peep2_scratch_safe): New function.
* config/avr/avr.md (all peepholes that request a scratch register):
Call it, FAIL the peephole if not safe (in interrupt functions).

Co-Authored-By: Denis Chertykov <denisc@overta.ru>
From-SVN: r38718

23 years ago* ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
Mark Mitchell [Fri, 5 Jan 2001 18:48:12 +0000 (18:48 +0000)]
* ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.

From-SVN: r38717

23 years agobuiltins.def (BUILT_IN_CONJ, [...]): Define.
Joseph Myers [Fri, 5 Jan 2001 18:24:08 +0000 (18:24 +0000)]
builtins.def (BUILT_IN_CONJ, [...]): Define.

* builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
Define.
* builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
BUILT_IN_CREAL and BUILT_IN_CIMAG.
* c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
(expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
BUILT_IN_CIMAG.
* extend.texi: Document these builtins.

testsuite:
* gcc.c-torture/execute/builtin-complex-1.c: New test.

From-SVN: r38716

23 years agoVECTOR_TYPE fixes for aliasing, and dwarf2 output.
Daniel Berlin [Fri, 5 Jan 2001 17:22:30 +0000 (17:22 +0000)]
VECTOR_TYPE fixes for aliasing, and dwarf2 output.

From-SVN: r38715

23 years agoparse.y (template_datadef): Check for error_mark_node.
Nathan Sidwell [Fri, 5 Jan 2001 16:35:36 +0000 (16:35 +0000)]
parse.y (template_datadef): Check for error_mark_node.

cp:
* parse.y (template_datadef): Check for error_mark_node.
testsuite:
* g++.old-deja/g++.pt/crash62.C: New test.

From-SVN: r38714

23 years agofix exit and atexit calls for vax-*-bsd systems
Bruce Korb [Fri, 5 Jan 2001 16:28:58 +0000 (16:28 +0000)]
fix exit and atexit calls for vax-*-bsd systems

From-SVN: r38713

23 years agoarm.md (ldmsi_postinc): Avoid use of match_dup between input and output operands.
Richard Earnshaw [Fri, 5 Jan 2001 16:15:59 +0000 (16:15 +0000)]
arm.md (ldmsi_postinc): Avoid use of match_dup between input and output operands.

* arm.md (ldmsi_postinc): Avoid use of match_dup between input and
output operands.  Use arm_hard_register_operand for operand 4.
(stmsi_postinc): Similarly.
(ldmsi): Use arm_hard_register_operand for opernand 2.
(stmsi): Similarly.
* arm.c (arm_hard_register_operand): New function.
* arm-protos.h (arm_hard_register_operand): Prototype it.

* arm.h (HARD_REGNO_RENAME_OK): Define.

From-SVN: r38712

23 years agosimplify-rtx.c (cfc_args): add "unordered" field.
Jan Hubicka [Fri, 5 Jan 2001 15:34:39 +0000 (16:34 +0100)]
simplify-rtx.c (cfc_args): add "unordered" field.

* simplify-rtx.c (cfc_args): add "unordered" field.
(check_fold_consts): Set unordered field.
(simplify_relational_operation): Simplify the unordered
comparisons.

* reg-stack.c (swap_rtx_condition): Ensure that the transformation
is valid.

* emit-rtl.c (try_split): Fix code to mark labels.
* jump.c (mark_jump_label): Make global.
* rtl.h (mark_jump_label): Declare.

* predict.c (estimate_probability): Handle unordred comparisons.

From-SVN: r38711

23 years agocp-tree.def (DEFAULT_ARG): Make `x' class.
Nathan Sidwell [Fri, 5 Jan 2001 11:41:27 +0000 (11:41 +0000)]
cp-tree.def (DEFAULT_ARG): Make `x' class.

cp:
* cp-tree.def (DEFAULT_ARG): Make `x' class.

From-SVN: r38710

23 years agoDaily bump.
Jeff Law [Fri, 5 Jan 2001 08:45:11 +0000 (01:45 -0700)]
Daily bump.

From-SVN: r38709

23 years agoPipedInputStream: Rewrote to be simpler and more correct.
Bryce McKinlay [Fri, 5 Jan 2001 08:23:51 +0000 (08:23 +0000)]
PipedInputStream: Rewrote to be simpler and more correct.

* java/io/PipedInputStream: Rewrote to be simpler and more correct.
* java/io/PipedOutputStream: Updated to match new PipedInputStream.
* java/io/PipedReader: New implementation based on new
PipedInputStream.
* java/io/PipedWriter: Updated to match new PipedOutputStream.

From-SVN: r38708

23 years agocpp.texi: Update for -MP.
Neil Booth [Fri, 5 Jan 2001 07:50:24 +0000 (07:50 +0000)]
cpp.texi: Update for -MP.

        * cpp.texi: Update for -MP.  Clarify behaviour of -MT.
        * cppinit.c (initialize_dependency_output):  Update.
        (cpp_finish): Output dummy targets for -MP.
        (OPT_MP): New.
        (cpp_handle_option): Handle -MP.  Don't quote -MT options.
        * cpplib.h (struct cpp_options): Add deps_phony_targets.
        * gcc.c (cpp_options): Update to handle -MP.
        * mkdeps.c (deps_add_target, deps_add_default_target): Update
        to quote only the default target.
        (deps_phony_targets): Insert a preceding newline.  Rename from
        deps_dummy_targets for consistency.
        * mkdeps.h: Update
java:
        * lang.c (lang_decode_option): Change -MA to -MP.
        * jcf-depend.c (jcf_dependency_add_target, jcf_dependency_set_target):
        Update to new prototype; do quote targets.
        (jcf_dependency_write): Update.

From-SVN: r38707

23 years agocalls.c (emit_library_call_value_1): Support INIT_CUMULATIVE_LIBCALL_ARGS.
Alexandre Oliva [Fri, 5 Jan 2001 07:38:47 +0000 (07:38 +0000)]
calls.c (emit_library_call_value_1): Support INIT_CUMULATIVE_LIBCALL_ARGS.

* calls.c (emit_library_call_value_1): Support
INIT_CUMULATIVE_LIBCALL_ARGS.
* tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.

From-SVN: r38706

23 years agoc-decl.c (finish_struct): Detect flexible array members used in an inappropriate...
Richard Henderson [Fri, 5 Jan 2001 05:58:23 +0000 (21:58 -0800)]
c-decl.c (finish_struct): Detect flexible array members used in an inappropriate context.

        * c-decl.c (finish_struct): Detect flexible array members
        used in an inappropriate context.
        * c-typeck.c (really_start_incremental_init): Special case
        constructor_max_index for zero length arrays.
        (pop_init_level): Allow initialization of flexible array
        members.  Deprecate initialization of zero length arrays.
        Don't issue missing initializer warning for flexible array
        members or zero length arrays.
        (process_init_element): Don't dereference null DECL_SIZE.
        * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
        Don't abort for empty constructors.  Use size_binop
        (output_constructor): Add commentary regarding zero length
        array futures.  Abort if we try to initialize an array of
        unspecified length with a non-empty constructor in the middle
        of a structure.

        * extend.texi (Zero Length): Update and clarify documentation
        on static initialization.

From-SVN: r38705

23 years ago20000926-1.c: Update expected warnings.
Richard Henderson [Fri, 5 Jan 2001 05:56:00 +0000 (21:56 -0800)]
20000926-1.c: Update expected warnings.

        * gcc.dg/20000926-1.c: Update expected warnings.
        * gcc.dg/array-2.c: Likewise.
        * gcc.dg/array-4.c: Also validate flexible array members.
        * gcc.dg/c99-flex-array-1.c: New.

From-SVN: r38704

23 years agoc4x.c (c4x_expand_prologue): Don't compile an ISR with more than 32767 words of local...
Michael Hayes [Fri, 5 Jan 2001 04:09:02 +0000 (04:09 +0000)]
c4x.c (c4x_expand_prologue): Don't compile an ISR with more than 32767 words of local storage.

* config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
with more than 32767 words of local storage.

From-SVN: r38703

23 years agoc4x.c (c4x_init_builtins): Remove builtin support for 'abs', 'labs', and 'fabs'.
Michael Hayes [Fri, 5 Jan 2001 03:58:12 +0000 (03:58 +0000)]
c4x.c (c4x_init_builtins): Remove builtin support for 'abs', 'labs', and 'fabs'.

* config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
for 'abs', 'labs', and 'fabs'.
(c4x_expand_builtin): Likewise.
* config/c4x/c4x.h (enum c4x_builtins): Likewise.

From-SVN: r38702

23 years agosh.md (prget, prset): New insn types.
Alexandre Oliva [Fri, 5 Jan 2001 03:46:12 +0000 (03:46 +0000)]
sh.md (prget, prset): New insn types.

* config/sh/sh.md (prget, prset): New insn types.
(return delay slot): Dont' allow prset.
(call, sfunc delay slot): Don't allow prget.
(movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
for prset and prget.

From-SVN: r38701

23 years agoloop.h (struct loop_reg): New.
Michael Hayes [Fri, 5 Jan 2001 03:25:58 +0000 (03:25 +0000)]
loop.h (struct loop_reg): New.

* loop.h (struct loop_reg): New.
(struct loop_regs): Change to use array of `struct loop_reg'.
* loop.c: Replace assortment of varrays with single regs array.
(count_one_set): Delete may_not_move array argument
and use regs array instead.  All caller's changed.
(count_loop_regs_set): Delete may_not_move and single_usage
arguments and use regs array instead.  All caller's changed.
(find_single_use_in_loop): Replace usage array argument with pointer
to regs structure.  All caller's changed.
(loop_optimize): Delete `moved_once' array.

From-SVN: r38700

23 years agoloop.c (prescan_loop): Set loop_info->has_nonconst_call.
Michael Hayes [Fri, 5 Jan 2001 02:51:18 +0000 (02:51 +0000)]
loop.c (prescan_loop): Set loop_info->has_nonconst_call.

* loop.c (prescan_loop): Set loop_info->has_nonconst_call.
Use it instead of loop_info->has_call for scanning loop mems.
(check_dbra_loop): Replace loop_info->has_call test with
loop_info->has_nonconst_call.

From-SVN: r38699

23 years agosh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used for TARGET_SH3E.
Matthew Hiller [Fri, 5 Jan 2001 01:58:04 +0000 (01:58 +0000)]
sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used for TARGET_SH3E.

* config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
for TARGET_SH3E.

From-SVN: r38698

23 years ago* java/lang/Thread.java: Update comment.
Bryce McKinlay [Fri, 5 Jan 2001 00:31:45 +0000 (00:31 +0000)]
* java/lang/Thread.java: Update comment.

From-SVN: r38697

23 years agofold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST...
Joseph Myers [Fri, 5 Jan 2001 00:03:35 +0000 (00:03 +0000)]
fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST...

* fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.

testsuite:
* gcc.c-torture/compile/20001222-1.x: Remove.

From-SVN: r38696

23 years agoc-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
Joseph Myers [Thu, 4 Jan 2001 23:53:54 +0000 (23:53 +0000)]
c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.

* c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
(flag_short_double, flag_short_wchar): Define.
(c_common_nodes_and_builtins): Create many tree nodes shared
between C and C++ here instead of in cp/decl.c and ...
* c-decl.c (init_decl_processing): ... here.
(SIZE_TYPE, WCHAR_TYPE): Don't define.
(flag_short_double, flag_short_wchar): Don't define.
(record_builtin_type): New function.
(build_void_list_node): New function.
* c-common.h (flag_short_double, flag_short_wchar,
record_builtin_type, build_void_list_node): Declare.

cp:
* decl.c (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE): Don't define.
(record_builtin_type): Make non-static.
(flag_short_double): Don't declare.
(init_decl_processing): Remove the creation of many tree nodes now
in c_common_nodes_and_builtins.
(build_void_list_node): New function.
* decl2.c (flag_short_double, flag_short_wchar): Don't define.
* cp-tree.h (flag_short_wchar): Don't declare.

From-SVN: r38695

23 years agointegrate.c (expand_inline_function): Don't put a virtual register into the reg map.
J"orn Rennecke [Thu, 4 Jan 2001 23:28:00 +0000 (23:28 +0000)]
integrate.c (expand_inline_function): Don't put a virtual register into the reg map.

* integrate.c (expand_inline_function): Don't put a virtual
register into the reg map.

* function.c (fixup_var_refs_1): If force_operand didn't put
the address into the target, move it there.

From-SVN: r38694

23 years agostd_cwctype.h: Include std_cwchar.h for wint_t.
Benjamin Kosnik [Thu, 4 Jan 2001 21:57:30 +0000 (21:57 +0000)]
std_cwctype.h: Include std_cwchar.h for wint_t.

2001-01-03  Benjamin Kosnik  <bkoz@redhat.com>

* include/c_std/bits/std_cwctype.h: Include std_cwchar.h for wint_t.
* testsuite/17_intro/header_cwctype.cc (main): New file.

* src/Makefile.am (base_headers): Change.
* include/bits/std_string.h: And here.
* include/bits/string.tcc: Tweaks, move to...
* include/bits/basic_string.tcc: ...Here.
* src/string-inst.cc: Simplify, just instantiate the whole class,
not member-by-member.

From-SVN: r38693

23 years agoSpecial-case tree_decl/tree_list allocations.
Mark Mitchell [Thu, 4 Jan 2001 21:18:27 +0000 (21:18 +0000)]
Special-case tree_decl/tree_list allocations.

* ggc-page.c (OBJECT_PER_PAGE): Reimplement.
(OBJECT_SIZE): New macro.
(NUM_EXTRA_ORDER): Likewise.
(extra_order_size_table): New variable.
(NUM_ORDERS): New macro.
(objects_per_page_table): New variable.
(object_size_table): New variable.
(G.pages): Use NUM_ORDERS to bound the array.
(G.page_tails): Likewise.
(DIV_ROUND_UP): Remove.
(BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
(alloc_page): Use OBJECT_SIZE.
(size_lookup): Don't make it const.
(ggc_alloc): Use OBJECT_SIZE.
(ggc_set_mark): Likewise.
(ggc_get_size): Likewise.
(init_ggc): Set up the object_size_table, objects_per_page_table,
and adjust size_lookup.
(ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
(ggc_pop_context): Use NUM_ORDERS.
(clear_marks): Likewise.
(sweep_pages): Likewise.
(poison_pages): Likewise.
(ggc_print_statistics): Use OBJECT_SIZE.

From-SVN: r38692

23 years agovarasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
Richard Kenner [Thu, 4 Jan 2001 20:58:20 +0000 (20:58 +0000)]
varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.

* varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
Only call array_size_for_constructor if last field and array type
with no upper bound.

From-SVN: r38691

23 years agoarm.c (arm_gen_constant): Prefer to emit constants from bit 31 downwards, if this...
Philip Blundell [Thu, 4 Jan 2001 20:19:48 +0000 (20:19 +0000)]
arm.c (arm_gen_constant): Prefer to emit constants from bit 31 downwards, if this requires no more insns.

2001-01-04  Philip Blundell  <philb@gnu.org>

* config/arm/arm.c (arm_gen_constant): Prefer to emit constants
from bit 31 downwards, if this requires no more insns.
(count_insns_for_constant): New helper function for above.

From-SVN: r38690

23 years ago* gencodes.c (output_predicate_decls): Remove empty initializer.
Alexandre Oliva [Thu, 4 Jan 2001 20:10:36 +0000 (20:10 +0000)]
* gencodes.c (output_predicate_decls): Remove empty initializer.

From-SVN: r38689

23 years agocall.c (build_conv): Don't use build1 for USER_CONV.
Mark Mitchell [Thu, 4 Jan 2001 19:28:56 +0000 (19:28 +0000)]
call.c (build_conv): Don't use build1 for USER_CONV.

* call.c (build_conv): Don't use build1 for USER_CONV.
* pt.c (tsubst_copy): Or for PREINCREMENT_EXPR and similar nodes.

From-SVN: r38688

23 years ago* gcc.c-torture/execute/built-in-setjmp.c: New.
Richard Kenner [Thu, 4 Jan 2001 19:02:01 +0000 (19:02 +0000)]
* gcc.c-torture/execute/built-in-setjmp.c: New.

From-SVN: r38687

23 years agotree.c (copy_node): Remove documentation about obstacks.
Mark Mitchell [Thu, 4 Jan 2001 19:01:22 +0000 (19:01 +0000)]
tree.c (copy_node): Remove documentation about obstacks.

* tree.c (copy_node): Remove documentation about obstacks.
(buidl1): Check that nobody tries to build 2-argument nodes this
way.

* call.c (build_conv): Don't use build1 for USER_CONV.
* pt.c (tsubst_copy): Or for PREINCREMENT_EXPR and similar nodes.

From-SVN: r38686

23 years agosparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and fp_high_losum_p.
Kaveh R. Ghazi [Thu, 4 Jan 2001 18:54:14 +0000 (18:54 +0000)]
sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and fp_high_losum_p.

* sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
fp_high_losum_p.

From-SVN: r38685

23 years agogencodes.c (output_predicate_decls): Fill empty initializer braces.
Kaveh R. Ghazi [Thu, 4 Jan 2001 18:08:22 +0000 (18:08 +0000)]
gencodes.c (output_predicate_decls): Fill empty initializer braces.

* gencodes.c (output_predicate_decls): Fill empty initializer
braces.

From-SVN: r38684

23 years agotradcpp.c (deps_file, [...]): New variables.
Jakub Jelinek [Thu, 4 Jan 2001 17:26:12 +0000 (18:26 +0100)]
tradcpp.c (deps_file, [...]): New variables.

* tradcpp.c (deps_file, print_deps_missing_files): New variables.
(main): Handle -MG, -MD, -MMD.  Bail out if -MG is given without -M
or -MM.
(do_include): Handle missing headers like cpp0.
* cppfiles.c (_cpp_execute_include): Don't prefix absolute header
paths with first include pathname.  Don't strcat to uninitialized
string.

From-SVN: r38683

23 years agoSome tidyups for ia64 problems
Bernd Schmidt [Thu, 4 Jan 2001 14:17:40 +0000 (14:17 +0000)]
Some tidyups for ia64 problems

From-SVN: r38682

23 years agocpp.texi: Update for -MT.
Neil Booth [Thu, 4 Jan 2001 10:25:55 +0000 (10:25 +0000)]
cpp.texi: Update for -MT.

        * cpp.texi: Update for -MT.
        * cppinit.c (initialize_dependency_output): Add a default
        target if none has been given already.
        (no_tgt, OPT_MT): New.
        (cpp_handle_option): Handle -MT.  Update -M etc.
        * cpplib.h (struct cpp_options): Remove deps_target.
        * gcc.c (cpp_options): Handle -MT.
        * mkdeps.c (struct deps): Move from mkdeps.h.
        (deps_calc_target): Rename deps_add_default_target.  Add a
        default target if none has been specified already.
        * mkdeps.h (struct deps): Move to mkdeps.c.
        (deps_calc_target): Rename deps_add_default_target.

From-SVN: r38681

23 years agoDaily bump.
Jeff Law [Thu, 4 Jan 2001 08:45:11 +0000 (01:45 -0700)]
Daily bump.

From-SVN: r38680

23 years agostd_cwctype.h: Include std_cwchar.h for wint_t.
Benjamin Kosnik [Thu, 4 Jan 2001 04:21:42 +0000 (04:21 +0000)]
std_cwctype.h: Include std_cwchar.h for wint_t.

2001-01-03  Benjamin Kosnik  <bkoz@redhat.com>

* include/c_std/bits/std_cwctype.h: Include std_cwchar.h for wint_t.
* testsuite/17_intro/header_cwctype.cc (main): New file.

* src/Makefile.am (base_headers): Change.
* include/bits/std_string.h: And here.
* include/bits/string.tcc: Tweaks, move to...
* include/bits/basic_string.tcc: ...Here.
* src/string-inst.cc: Simplify, just instantiate the whole class,
not member-by-member.

From-SVN: r38679

23 years agoc-decl.c (grokdeclarator): Give zero-length arrays size zero.
Richard Henderson [Thu, 4 Jan 2001 01:14:16 +0000 (17:14 -0800)]
c-decl.c (grokdeclarator): Give zero-length arrays size zero.

        * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
        Remove dead code.
        * c-typeck.c (push_init_level): Move checks for flexible array
        members and zero length arrays ...
        (pop_init_level): ... here.  Silently discard empty initializations.
        Remove dead code.
        * varasm.c (output_constructor): Update for sizeof change to
        zero-length arrays.

        * extend.texi (Zero Length): Clarify semantics.

        * gcc.dg/940510-1.c: Update expected error wording.
        * gcc.dg/array-2.c, gcc.dg/array-3.c, gcc.dg/array-4.c: New.

From-SVN: r38678

23 years agoconfigure.in (tm.h): Include isns-codes.h last.
Alexandre Oliva [Wed, 3 Jan 2001 23:47:05 +0000 (23:47 +0000)]
configure.in (tm.h): Include isns-codes.h last.

* configure.in (tm.h): Include isns-codes.h last.
* configure: Rebuilt.

From-SVN: r38677

23 years agoalpha.md (addvsi3, addvdi3): New.
Richard Henderson [Wed, 3 Jan 2001 22:52:42 +0000 (14:52 -0800)]
alpha.md (addvsi3, addvdi3): New.

        * config/alpha/alpha.md (addvsi3, addvdi3): New.
        (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.

From-SVN: r38676

23 years agoUpdate the second copyright notice. Point to it from the first.
Alexandre Oliva [Wed, 3 Jan 2001 22:45:56 +0000 (22:45 +0000)]
Update the second copyright notice.  Point to it from the first.

From-SVN: r38675

23 years agotradcpp.c (main): Make sure finclude() is called with a valid indepth value while...
Franz Sirl [Wed, 3 Jan 2001 22:26:05 +0000 (22:26 +0000)]
tradcpp.c (main): Make sure finclude() is called with a valid indepth value while handling -include.

2001-01-03  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

* tradcpp.c (main): Make sure finclude() is called with a valid
indepth value while handling -include.

From-SVN: r38674

23 years agogencodes.c (output_predicate_decls): New function.
Alexandre Oliva [Wed, 3 Jan 2001 21:13:29 +0000 (21:13 +0000)]
gencodes.c (output_predicate_decls): New function.

* gencodes.c (output_predicate_decls): New function.
(main): Call it.
* machmode.h (GET_MODE_MASK): Arrange for it to be defined
even if it is not the first time machmode.h is #included.
* config/sh/sh.c (fpul_operand): Declare MODE argument.
* tm.texi (PREDICATE_CODES): Document predicate declarations.
* gcc.texi (Copyright): Added 2001.

From-SVN: r38673

23 years agoc-common.c (c_common_lang_init): New function.
Joseph Myers [Wed, 3 Jan 2001 20:56:22 +0000 (20:56 +0000)]
c-common.c (c_common_lang_init): New function.

* c-common.c (c_common_lang_init): New function.  Warn if format
warning options which only have effects when used with -Wformat
are used without -Wformat.
* c-common.h (c_common_lang_init): Declare.
* c-lang.c (lang_init): Call c_common_lang_init.
* objc/objc-act.c (lang_init): Call c_common_lang_init.

cp:
* lex.c (lang_init): Call c_common_lang_init.

From-SVN: r38672

23 years agoconfigure.in: Check for the mktemp command.
Joseph Myers [Wed, 3 Jan 2001 20:39:09 +0000 (20:39 +0000)]
configure.in: Check for the mktemp command.

* configure.in: Check for the mktemp command.
* configure: Regenerate.
* gccbug.in: Use a separate temporary file $TEMP0 for one use of
$TEMP.  Create temporary files with mktemp, if available at
configure time; otherwise use set -C.  Remove temporary files
before exit.

From-SVN: r38671

23 years agoScrollPane.java (setBlockIncrement): Throw error.
Tom Tromey [Wed, 3 Jan 2001 20:34:44 +0000 (20:34 +0000)]
ScrollPane.java (setBlockIncrement): Throw error.

* java/awt/ScrollPane.java (setBlockIncrement): Throw error.
(getViewportSize): Insets include scrollbar size.
(doLayout): Finished.
(getScrollPosition): Wrote.
* java/awt/peer/ScrollPanePeer.java (setBlockIncrement): Removed.

From-SVN: r38670

23 years ago* gcc_update: Add cpp.1 to the list of generated files.
Joseph Myers [Wed, 3 Jan 2001 20:18:18 +0000 (20:18 +0000)]
* gcc_update: Add cpp.1 to the list of generated files.

From-SVN: r38669

23 years agotexi2pod.pl: Handle @option and @env.
Joseph Myers [Wed, 3 Jan 2001 20:15:01 +0000 (20:15 +0000)]
texi2pod.pl: Handle @option and @env.

contrib:
* texi2pod.pl: Handle @option and @env.

gcc:
* configure.in: Require at least texinfo 4.0.  Check for whether
Pod::Man is sufficiently recent to regenerate GCC manpages.
* configure:  Regenerate.
* Makefile.in (TEXI2POD): Call perl explicitly rather than relying
on #!.
(GENERATED_MANPAGES): Define.
(generated-manpages): New target.  Depend on cpp.1 as well as
gcov.1.
(install-man): Depend on $(GENERATED_MANPAGES) (defined by
configure to generated-manpages or empty) rather than on the
manpages directly.  Remove execute permission from installed
gcov.1 as well as cpp.1.
* cpp.1, gcov.1: Regenerate.

From-SVN: r38668

23 years agotarget-supports.exp (check_alias_available): Modified to indicate aliases not support...
Jeffrey Oldham [Wed, 3 Jan 2001 18:22:23 +0000 (18:22 +0000)]
target-supports.exp (check_alias_available): Modified to indicate aliases not supported if only weak aliases are supported.

2001-01-03  Jeffrey Oldham  <oldham@codesourcery.com>

* lib/target-supports.exp (check_alias_available): Modified to
indicate aliases not supported if only weak aliases are supported.

From-SVN: r38667

23 years ago* snapshot: Update to account for java libraries.
Mike Stump [Wed, 3 Jan 2001 18:13:43 +0000 (18:13 +0000)]
* snapshot: Update to account for java libraries.

From-SVN: r38666

23 years agoupdate copyrights
Kaveh Ghazi [Wed, 3 Jan 2001 16:54:46 +0000 (16:54 +0000)]
update copyrights

From-SVN: r38665

23 years agobuiltins.c (expand_builtin_strncmp): Use host_integerp and tree_low_cst.
Kaveh R. Ghazi [Wed, 3 Jan 2001 16:48:15 +0000 (16:48 +0000)]
builtins.c (expand_builtin_strncmp): Use host_integerp and tree_low_cst.

* builtins.c (expand_builtin_strncmp): Use host_integerp and
tree_low_cst.  Allow using cmpstrsi in more cases.

testsuite:
* gcc.c-torture/execute/string-opt-8.c: Add more testcases.
Turn on cmpstrsi checks for __pj__ and __i370__.

From-SVN: r38664

23 years agoacinclude.m4 (GLIBCPP_ENABLD_CSTDIO): Add in default value.
Benjamin Kosnik [Wed, 3 Jan 2001 15:53:28 +0000 (15:53 +0000)]
acinclude.m4 (GLIBCPP_ENABLD_CSTDIO): Add in default value.

2001-01-02  Benjamin Kosnik  <bkoz@redhat.com>

* acinclude.m4 (GLIBCPP_ENABLD_CSTDIO): Add in default value.
* aclocal.m4: Regenerate.
* configure: Regenerate.

* include/bits/c++config (__GLIBCPP__): Bump version number.

* ChangeLog: Start new log for year 2001
* ChangeLog-2000: New file.

* docs/html/configopts.html: Make sure default values are current,

From-SVN: r38663

23 years agosparc.h (RETURN_IN_MEMORY): Return 0 for variable sized types.
Richard Kenner [Wed, 3 Jan 2001 15:50:06 +0000 (15:50 +0000)]
sparc.h (RETURN_IN_MEMORY): Return 0 for variable sized types.

* config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
sized types.

From-SVN: r38662

23 years agosearch.c (lookup_fnfields_here): Remove.
Nathan Sidwell [Wed, 3 Jan 2001 15:01:16 +0000 (15:01 +0000)]
search.c (lookup_fnfields_here): Remove.

cp:
* search.c (lookup_fnfields_here): Remove.
(look_for_overrides_r): Use lookup_fnfields_1.
Ignore functions from using declarations.
testsuite:
* g++.old-deja/g++.other/virtual11.C: New test.

From-SVN: r38661

23 years agoImprove alias analysis for ia64
Bernd Schmidt [Wed, 3 Jan 2001 15:00:31 +0000 (15:00 +0000)]
Improve alias analysis for ia64

From-SVN: r38660

23 years agoImplement exceptions specifiers for implicit member functions.
Nathan Sidwell [Wed, 3 Jan 2001 14:39:10 +0000 (14:39 +0000)]
Implement exceptions specifiers for implicit member functions.

cp:
Implement exceptions specifiers for implicit member functions.
* cp-tree.h (merge_exceptions_specifiers): Declare new function.
* method.c (synthesize_exception_spec): New function.
(locate_dtor, locate_ctor, locate_copy): New functions.
(implicitly_declare_fn): Generate the exception spec too.
* search.c (check_final_overrider): Check artificial functions
too.
* typeck2.c (merge_exception_specifiers): New function.
testsuite:
* g++.old-deja/g++.eh/spec6.C: Remove remaining XFAIL.

From-SVN: r38659

23 years agoFix silliness in last change
Bernd Schmidt [Wed, 3 Jan 2001 14:29:01 +0000 (14:29 +0000)]
Fix silliness in last change

From-SVN: r38658

23 years agobuild-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
Alexandre Oliva [Wed, 3 Jan 2001 14:23:39 +0000 (14:23 +0000)]
build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.

* build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
* Makefile.in (HOST_CFLAGS): Mention build-make.

From-SVN: r38657

23 years agoAdd extra arg to cse_rtx_varies_p
Bernd Schmidt [Wed, 3 Jan 2001 14:08:30 +0000 (14:08 +0000)]
Add extra arg to cse_rtx_varies_p

From-SVN: r38656

23 years agosparc.md (nonlocal_goto): Emit goto_handler_and_restore as JUMP_INSN.
Richard Kenner [Wed, 3 Jan 2001 13:55:47 +0000 (13:55 +0000)]
sparc.md (nonlocal_goto): Emit goto_handler_and_restore as JUMP_INSN.

* config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
as JUMP_INSN.

From-SVN: r38655

23 years agoupdate
Jason Merrill [Wed, 3 Jan 2001 12:56:48 +0000 (07:56 -0500)]
update

From-SVN: r38654

23 years agoDon't use MEM_ALIAS_SET on a REG
Bernd Schmidt [Wed, 3 Jan 2001 12:26:52 +0000 (12:26 +0000)]
Don't use MEM_ALIAS_SET on a REG

From-SVN: r38653

23 years agosendmsg.c: Added __objc_msg_forward...
Ovidiu Predescu [Wed, 3 Jan 2001 08:50:46 +0000 (08:50 +0000)]
sendmsg.c: Added __objc_msg_forward...

Wed Jan  3 00:49:10 2001  Ovidiu Predescu  <ovidiu@cup.hp.com>

* sendmsg.c: Added __objc_msg_forward, a hook that allows external
libraries to provide a function that returns the real forwarding
function. This can alleviate problems __builtin_apply() and
friends have on various platforms. (Solution suggested by Helge
Hess.)

* objc/objc-api.h: Define __objc_msg_forward.

* sendmsg.c: Define gen_rtx_REG.

From-SVN: r38652

23 years agoAdded __objc_msg_forward...
Ovidiu Predescu [Wed, 3 Jan 2001 08:49:34 +0000 (08:49 +0000)]
Added __objc_msg_forward...

Added __objc_msg_forward, a hook that allows external libraries to
provide a function that returns the real forwarding function. This can
alleviate problems __builtin_apply() and friends have on various
platforms. (Solution suggested by Helge Hess.)

From-SVN: r38651

23 years agoAdded __objc_msg_forward...
Ovidiu Predescu [Wed, 3 Jan 2001 08:49:02 +0000 (08:49 +0000)]
Added __objc_msg_forward...

Added __objc_msg_forward, a hook that allows external libraries to
provide a function that returns the real forwarding function. This can
alleviate problems __builtin_apply() and friends have on various
platforms. (Solution suggested by Helge Hess.)

Define gen_rtx_REG.

From-SVN: r38650

23 years agoDaily bump.
Jeff Law [Wed, 3 Jan 2001 08:45:07 +0000 (01:45 -0700)]
Daily bump.

From-SVN: r38649

23 years agocombine.c (simplify_shift_const): Even if we're sign-extracting...
Alexandre Oliva [Wed, 3 Jan 2001 06:47:28 +0000 (06:47 +0000)]
combine.c (simplify_shift_const): Even if we're sign-extracting...

* combine.c (simplify_shift_const): Even if we're sign-extracting,
don't discard an ASHIFTRT if we're shifting in a wider mode.

From-SVN: r38648

23 years agotoplev.c (rest_of_compilation): Don't print basic block information when CFG isn...
John David Anglin [Wed, 3 Jan 2001 05:42:23 +0000 (05:42 +0000)]
toplev.c (rest_of_compilation): Don't print basic block information when CFG isn't up to date.

* toplev.c (rest_of_compilation): Don't print basic block information
when CFG isn't up to date.

From-SVN: r38647

23 years ago* gcc.c-torture/compile/20010102-1.c: New test.
Kaveh R. Ghazi [Wed, 3 Jan 2001 04:39:40 +0000 (04:39 +0000)]
* gcc.c-torture/compile/20010102-1.c: New test.

From-SVN: r38646

23 years agoUpdate copyright.
Jeff Law [Wed, 3 Jan 2001 04:04:56 +0000 (21:04 -0700)]
Update copyright.

From-SVN: r38645

23 years agodjgpp.h (DWARF2_DEBUGGING_INFO): Define.
Mark Elbrecht [Wed, 3 Jan 2001 04:00:53 +0000 (04:00 +0000)]
djgpp.h (DWARF2_DEBUGGING_INFO): Define.

        * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
        (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
        (UNALIGNED_SHORT_ASM_OP): Define.
        (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.

From-SVN: r38644

23 years agoinit.c (build_default_init): New fn.
Jason Merrill [Wed, 3 Jan 2001 03:28:51 +0000 (22:28 -0500)]
init.c (build_default_init): New fn.

        * init.c (build_default_init): New fn.
        (perform_member_init): Split out from here.
        (build_new_1): Use it.  Simplify initialization logic.
        (build_vec_init): Take an array, rather than a pointer and maxindex.
        Speed up simple initializations.  Don't clean up if we're assigning.
        * cp-tree.h: Adjust.
        * decl2.c (do_static_initialization): Remove TREE_VEC case.
        * parse.y (new_initializer): Return void_zero_node for ().
        * typeck.c (build_modify_expr): Handle getting a CONSTRUCTOR.
        * typeck2.c (digest_init): Only complain about user-written
        CONSTRUCTORs.

From-SVN: r38643

23 years ago* decl2.c: (max_tinst_depth): Increase to 50.
Mike Stump [Wed, 3 Jan 2001 01:11:18 +0000 (01:11 +0000)]
* decl2.c: (max_tinst_depth): Increase to 50.

From-SVN: r38642

23 years agoclass.c (invalidate_class_lookup_cache): Zero the previous_class_values.
Mark Mitchell [Wed, 3 Jan 2001 00:24:04 +0000 (00:24 +0000)]
class.c (invalidate_class_lookup_cache): Zero the previous_class_values.

* class.c (invalidate_class_lookup_cache): Zero the
previous_class_values.
* cp-tree.h (TMPL_PARMS_DEPTH): Use TREE_INT_CST_LOW, not
TREE_INT_CST_HIGH.
(CLASSTYPE_TEMPLATE_LEVEL): Likewise.
* decl.c (free_bindings): New variable.
(push_binding): Don't create a new binding if we have one on the
free list.
(pop_binding): Put old bindings on the free list.
(init_decl_processing): Use size_int, not build_int_2.
Register free_bindings as a GC root.
(cp_make_fname_decl): Use size_int, not build_int_2.
(push_inline_template_parms_recursive): Likewise.
(end_template_parm_list): Likewise.
(for_each_tempalte_parm): Do not use walk_tree_without_duplicates.
(tsubst_template_parms): Use size_int, not build_int_2.
(tsubst): Likewise.
* rtti.c (get_vmi_pseudo_type_info): Likewise.

From-SVN: r38641

23 years ago* fold-const.c (fold_convert): Fix typo.
Mark Mitchell [Wed, 3 Jan 2001 00:13:33 +0000 (00:13 +0000)]
* fold-const.c (fold_convert): Fix typo.

From-SVN: r38640

23 years agoScrollPane.java: Wrote.
Tom Tromey [Wed, 3 Jan 2001 00:07:13 +0000 (00:07 +0000)]
ScrollPane.java: Wrote.

* java/awt/ScrollPane.java: Wrote.
* java/awt/peer/ScrollPanePeer.java (setBlockIncrement): New
method.

* java/awt/Panel.java (Panel()): Fixed.

* java/awt/Component.java (isShowing): Return false if no peer
exists, and true if component is visible and no parent exists.
(getLocationOnScreen): Wrote.
(getPreferredSize): Removed FIXME comment.
(getMinimumSize): Likewise.
(getAlignmentX, getAlignmentY): Wrote.
(list): Wrote.
(requestFocus): Wrote.
(transferFocus): Wrote.
(findNextFocusComponent): New method.
(hasFocus()): Wrote.
(checkImage): Wrote.
(enableEvents): Call setEventMask on the peer.

* java/awt/Container.java (list): Use super.list() to print self.
(findNextFocusComponent): New method.
(setLayout): Call invalidate.
(findComponentAt): Wrote.

From-SVN: r38639

23 years agoc-common.h (ASM_INPUT_P): New.
Richard Henderson [Tue, 2 Jan 2001 23:49:45 +0000 (15:49 -0800)]
c-common.h (ASM_INPUT_P): New.

        * c-common.h (ASM_INPUT_P): New.
        * c-parse.in (asm): Set it when needed.
        * c-semantics.c (genrtl_asm_stmt): Test it instead of the
        existance of an operand.

        * cp/parse.y (asm): Set ASM_INPUT_P.

From-SVN: r38638

23 years ago* typeck.c (build_binary_op): Fix pmf comparison logic.
Jason Merrill [Tue, 2 Jan 2001 20:14:57 +0000 (15:14 -0500)]
* typeck.c (build_binary_op): Fix pmf comparison logic.

From-SVN: r38637

23 years agotree.c (cp_valid_lang_attribute): Don't set CLASSTYPE_COM_INTERFACE for v3 ABI.
Jason Merrill [Tue, 2 Jan 2001 19:48:02 +0000 (14:48 -0500)]
tree.c (cp_valid_lang_attribute): Don't set CLASSTYPE_COM_INTERFACE for v3 ABI.

        * tree.c (cp_valid_lang_attribute): Don't set CLASSTYPE_COM_INTERFACE
        for v3 ABI.

        * typeck.c (cp_truthvalue_conversion): New fn.
        * cvt.c (ocp_convert): Use it.

        * cp-tree.h: Lose c-common.c decls.

        * typeck.c (build_unary_op): Restore old &a.f diagnostic code.
        * cvt.c (convert_to_void): Use type_unknown_p.

From-SVN: r38636

23 years agotweak formatting
Jason Merrill [Tue, 2 Jan 2001 19:37:39 +0000 (14:37 -0500)]
tweak formatting

From-SVN: r38635

23 years agodwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
Jan Hubicka [Tue, 2 Jan 2001 19:29:12 +0000 (20:29 +0100)]
dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.

* dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
(dwarf2out_frame_debug_expr): Likewise.
(mem_loc_descriptor): Handle PRE and POST_MODIFY.

From-SVN: r38634

23 years agoi386.c (ix86_split_to_parts): Return number of part required; handle TFmodes.
Jan Hubicka [Tue, 2 Jan 2001 19:24:27 +0000 (20:24 +0100)]
i386.c (ix86_split_to_parts): Return number of part required; handle TFmodes.

* i386.c (ix86_split_to_parts): Return number of part required;
handle TFmodes.
(print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
TFmodes.
(ix86_split_long_move): Use number of part returned
by ix86_split_to_parts
* i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
New macros.
(TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
(LONG_DOUBLE_TYPE_SIZE): Change from constant.
(MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
(INTEL_EXTENDED_IEEE_FORMAT): Likewise.
(ALIGN_MODE_128): Add TFmode.
(IS_STACK_MODE): Likewise.
(HARD_REGNO_NREGS): TFmode needs 3 registers.
(HARD_REGNO_OK): Support TFmodes.
(ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
* i386.md (scheduler definitions): Use memory operand to determine
fst/fld instructions; use mode attribute to determine real mode of
the instruction.
(*tf): New patterns, expanders and splitters; based on XFmode patterns.
* invoke.texi (128bit-long-double, 96bit-long-double): Document.

From-SVN: r38633

23 years agoUpdate copyright
Mark Mitchell [Tue, 2 Jan 2001 18:19:28 +0000 (18:19 +0000)]
Update copyright

From-SVN: r38632

23 years ago* tree.def (TRUTH_NOT_EXPR): Improve documentation.
Mark Mitchell [Tue, 2 Jan 2001 18:15:18 +0000 (18:15 +0000)]
* tree.def (TRUTH_NOT_EXPR): Improve documentation.

From-SVN: r38631

23 years agoFix last change
Richard Kenner [Tue, 2 Jan 2001 16:46:26 +0000 (11:46 -0500)]
Fix last change

From-SVN: r38630

23 years agoexpr.c (store_constructor_field): Update ALIGN before calling store_constructor.
Richard Kenner [Tue, 2 Jan 2001 16:40:35 +0000 (11:40 -0500)]
expr.c (store_constructor_field): Update ALIGN before calling store_constructor.

* expr.c (store_constructor_field): Update ALIGN before calling
store_constructor.

From-SVN: r38629

23 years agoInitial version.
Chandra Chavva [Tue, 2 Jan 2001 16:37:39 +0000 (11:37 -0500)]
Initial version.

From-SVN: r38628

23 years agomips.c (function_arg): Don't pass NULL_TREE to host_integerp.
Jeffrey Oldham [Tue, 2 Jan 2001 16:09:56 +0000 (16:09 +0000)]
mips.c (function_arg): Don't pass NULL_TREE to host_integerp.

2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>

* config/mips/mips.c (function_arg): Don't pass NULL_TREE to
host_integerp.

From-SVN: r38627

23 years agotm.texi (FUNCTION_ARG): Document that @var{type} can be an incomplete type.
Jeffrey Oldham [Tue, 2 Jan 2001 16:03:50 +0000 (16:03 +0000)]
tm.texi (FUNCTION_ARG): Document that @var{type} can be an incomplete type.

2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>

* tm.texi (FUNCTION_ARG): Document that @var{type} can be an
incomplete type.

From-SVN: r38626

23 years ago* c-decl.c (start_function): Don't warn on third parameter to main.
Richard Kenner [Tue, 2 Jan 2001 15:58:16 +0000 (10:58 -0500)]
* c-decl.c (start_function): Don't warn on third parameter to main.

From-SVN: r38625

23 years agoltcf-c.sh: clear ac_cv_prog_cc_pic for DJGPP.
Laurynas Biveinis [Tue, 2 Jan 2001 15:55:07 +0000 (15:55 +0000)]
ltcf-c.sh: clear ac_cv_prog_cc_pic for DJGPP.

* ltcf-c.sh: clear ac_cv_prog_cc_pic for DJGPP. Do not add
'-DPIC' to ac_cv_prog_cc_pic for DJGPP.
* ltcf-cxx.sh: likewise.
* ltcf-gcj.sh: likewise.
* ltconfig.sh: fix typo.

From-SVN: r38624

23 years ago* tsystem.h: Define HAVE_DECL_GETOPT.
Kaveh R. Ghazi [Tue, 2 Jan 2001 15:51:11 +0000 (15:51 +0000)]
* tsystem.h: Define HAVE_DECL_GETOPT.

From-SVN: r38623

23 years ago* config/mh-djgpp: do not set CFLAGS.
Laurynas Biveinis [Tue, 2 Jan 2001 15:46:33 +0000 (15:46 +0000)]
* config/mh-djgpp: do not set CFLAGS.

From-SVN: r38622

23 years ago* configure: handle DOS-style absolute paths.
Laurynas Biveinis [Tue, 2 Jan 2001 15:44:40 +0000 (15:44 +0000)]
* configure: handle DOS-style absolute paths.

From-SVN: r38621

23 years ago* configure.in: remove supported directories from $noconfigdirs for DJGPP.
Laurynas Biveinis [Tue, 2 Jan 2001 15:36:25 +0000 (15:36 +0000)]
* configure.in: remove supported directories from $noconfigdirs for DJGPP.

From-SVN: r38620